K. . Boucharkoa, “The management of quality management of tourism under Thailand 4.0 policy in Bang Saphan district, Prachuap Khiri Khan: The management of quality management of tourism under Thailand 4.0 policy in Bang Saphan district, Prachuap Khiri Khan”, lawarathjo, vol. 2, no. 1, pp. 29–42, Apr. 2020.